三个红色和两个黑色
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; }+ A. f) V2 |* C% D公仔箱論壇最后那个说我不知道我戴什么颜色帽子.tvb now,tvbnow,bttvb( @0 S6 @4 v% A) p
- the front #1 , #2 must not be black/black. Otherwise, #3 will know he is red. #1/#2 must be red/red or red/black or black/red.
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& b5 o. ]# _1 g+ c, | s3 dTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。中间那个说我也不知道我戴什么颜色帽子.公仔箱論壇' ^0 I3 I6 ?6 }1 Z# Q
- for #2, if he see #1 wearing black, he can be sure he is red. since #2 cannot be sure, then #1 must NOT be wearing black.
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& A/ W/ G7 e3 o l1 y但是第一个说我知道我戴什么颜色帽子.公仔箱論壇' v0 e4 {9 k: I/ b$ A
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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